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157148004 = 223131007359
BaseRepresentation
bin10010101110111…
…10001101100100
3101221200221112110
421113132031210
5310212214004
623332121020
73615510306
oct1127361544
9357627473
10157148004
1180784692
1244766170
13267325b0
1416c29976
15dbe2589
hex95de364

157148004 has 24 divisors (see below), whose sum is σ = 394885120. Its totient is φ = 48353184.

The previous prime is 157148003. The next prime is 157148041. The reversal of 157148004 is 400841751.

It is a super-2 number, since 2×1571480042 = 49390990322368032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157148003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503524 + ... + 503835.

Almost surely, 2157148004 is an apocalyptic number.

It is an amenable number.

157148004 is an abundant number, since it is smaller than the sum of its proper divisors (237737116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157148004 is a wasteful number, since it uses less digits than its factorization.

157148004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007379 (or 1007377 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 157148004 is about 12535.8686974617. The cubic root of 157148004 is about 539.6385372492.

Adding to 157148004 its reverse (400841751), we get a palindrome (557989755).

The spelling of 157148004 in words is "one hundred fifty-seven million, one hundred forty-eight thousand, four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 1007359 2014718 3022077 4029436 6044154 12088308 13095667 26191334 39287001 52382668 78574002 157148004